/Engine/Source/Runtime/GeometryCore/Public/VectorUtil.h
sign of Bitangent relative to Normal and Tangent
namespace UE { namespace Geometry { namespace VectorUtil { template<typename RealType> RealType UE::Geometry::VectorUtil::BitangentSign ( const [TVector](API\Runtime\Core\Math\TVector)< RealType > & NormalIn, const [TVector](API\Runtime\Core\Math\TVector)< RealType > & TangentIn, const [TVector](API\Runtime\Core\Math\TVector)< RealType > & BitangentIn ) } } }